I was thinking of getting some larger tips for the stock exhaust. I was wondering does anyone know the inlet diameter of the stock exhaust tips?????? Seems like most aftermarket tips are 2.25 inches inlet diameter like on the magnaflow site and eurosport design site.
Examples
http://www.eurosportdesign.com/p-256...aust-tips.aspx
http://www.magnaflow.com/02product/doublewtips.asp
My Alpine White E46 M3
http://www.m3forum.net/m3forum/showt...n+tips&page=28